Power track-ballast shovel



J. MAXWELL.

POWER TRACK BALLAST SHOVEL.

APPLICATION FILED JULY 24,1920. l,',407, 559, Patented Feb. 21, 1922.

3 SHEETS-SHEET I.

[N vmimm 3 SHEETS-SHEET 2.

Patented Feb. '21, 1922*.

J. MAXWELL.

POWER TRACK BALLAST SHOVEL.

APPLICATION FILED JULY 24,1920- ORNE J. MAXWELL. POWER TRACK BALLAST SHOVEL.

APPLICATION FILED JULY 24,1920- INVENTOR B y v flTTQR 40 'A driven.- shaft-situated under the car UlTED STATES 7 some MAXWELL, or omnosrz, ALBERTA, CANADA.

rowan TRACK-BALLAST SHOVEL.

Application filed July 24,

I To all {whom it may concern:

Be, it. known that I, JOHN MAXWELL, foreman, a subject of the King of Great Britain, and residing at the town of Camrose, in the 'lfrovince of Alberta, in the. Dominion of Canada, have invented a new and useful Im- A moto set in a frame, and operated by a series ofv shafts and gears set up on a. car which runs uponla rail trackfandhaving itsown motive 7 power.-' V l or other suitablepower is placed at the front end'of the car anddrives a counter shaft situated. about themiddle of the car; From this countershaft runs a chain beltto a; sprocketwheel on adrivenshaft set further back and at a? slightly higher e1ev bevelled gears and operate vat'ifon. The-driven shaftwhas on either end a bevelled gear which engage with other a series of buckets on'either side of car.

1. KThe buckets are attached to twov endless chain belts which pass oversprocket wheels at either end of a'frame. can-be folded in two and swung to rear of thecar whenenot in use or requ1re'd to pass some point wherethereis'notfsufficient clearance; A cable is attached to the bottom of each, bucket. frame for, the purpose, of raising, lowering. or folding-the frame, 7 and pass isover a-serlesof pulleys toldrumsplaced at therear'of-the-car, which are operated by 'a system of gears, said gears being operated from a driven 'shaft -placed'near the end of the drums, the driven shaft being connected jdirectto the counter shaft.

frame,; is operated from the. counter shaft :by, chainlbelt 'engagin a fixed sprocket wheel-con the counter-s aft and a loose sprocket. wheel on thedriven shaft, which it operated by a clutch. A box gear is at- I jtachedtothe driven shaft, having forward,

reverse 'and neutral positions. for. the propulsion of the car, and operates the rear axle of the car by an endlesschain belt connecting a sprocket wheel; attached to the box gear and asprocket wheel on the rear axle. A system of clutches and levers at the front: end of the car operates the different shafts-and ears.

Thercar 1S fitted with Specification of Letters Patent.

These frames brakes attached to V Patented Feb. 21, 1922.

1920- Serial N0. 398,739.

both front and rear wheels and are operated by levers situated near the front of the car.

Attached to the rear of the car is a hopper car, bullt on a frame and set up on a bogey truck which runs upon the rail track. This car 1s fitted with a loose back that can be raised or lowered, and is held in place by paw1s operating in racks which form guides for the back. The back being movable, allows the ballast to be. spread right down to the top of the" ties. A second back is fixed inside the car a few inches from the loose back and extends down asdistance suflicientuto allow a clear space between it and the bottom for the ballast to pass. *This back takesthe 'pressure'ofthe ballast'oif of boxes, which cover the rails and keep the ballast from overspreading.

. At either side Of the hopper caris a chute I l which comes directly under thefbuckets and guides the-ballast into the hopper. I attaln these objects by meansof the mechanism as-shown inthe'accompanying drawings, in which: V

Fig. 1 is a plan, showin the arrangement of all shafts, gears and rums, with their connections; thebucketlframes in position for operation-andthei hop'per'car attached atqrear. I I .y 1

F 1g. 2 is a sideview, showing the position of all shafts, gears anddrums, with their connections; the bucket frames in position for, operation and hopper car attached at rear. a =Fi .3 is a side view of part of the machine 'showlng position of bucket frames when folded and swung to rear'of the machine.-

; Fig. 4 is a plan of part of the machine,

showing position of the bucket frames when folded and swung to the rear of the machine.

- Fig.6 is 'a rear-view. showing/the method of folding bucket frames and position when swung to the rear of the machine.

'F'g. 6 is a sectional "end view of part of I hopper car-showing the arrangement 'of protection box at the bottom'of the car, to .keep ballast from spreading over" the rails.

Fig. 7 is a sectional side View of part of the hopper car showing the'arrangement of protection box at the bottom of the car to .kee ballast from spreading'over the rails.

imilar figures refer to similar parts throughout the various v ews. a

rights 13 on either side of car.

1 is the car on which is supported the motor, shafts, gears and drums. 2 is the motor of a suitable power for the propulsion of the car and operation of all shafts, gears, drums etc.

At either end. of driven shaft 12-are bevelled gears 14 which engage with opposite bevelled gears 15. The bevelled gears 15 are attached to shafts 16 which "are supported at the top end of bucket frames 17 Attached to shafts l6 are two sprocket wheels 18 over which endless chain belts 19 pass and to which are attached the buckets20;

At the lower end of bucket frames 17 are shafts 21 towhich are attached two sprocket wheels 22 "over which *the'endless chain belts l9pa'ss. V

The bucket frames 17;318 made in two pieces and pivoted in the centre at 23 so that they canbe folded when not in use,

' and are also pivoted by mortice'jcints 24 made by-the-upper and lower bea ms 25 and '26 engaging with the upper and lower beams the frame supporting driven 27 and 28 of shaft 12: a v

Attached tothe lower end of the bucket frames 17 are-bracket rods 29 to which are attached cables BOwhich pass up over pul leys 31, said pulleys being attached to' rods 31 Theserods are pivoted on stanchions i 32 and when bucket frames are swung to the rear,cables 30 are disengaged from pulleys 31 and'rods 31 are swung inwardsfor clearance. Cables 30 pass on over pulleys 33 which are supported on brackets 34-set on'top of i'lpper beam'25 of bucketframes 17 and are guidedby pulleys 35 attached-to rear of beams 25 and continue on and are secured to idrums'3i6 placed at the rear end of the car. The drums 36 have gears'37 at one end Whichare engaged-by a pinion 38 which 'i's'attached to the end of shaft 39, said shaft being supported in a bracket attached to one of the cross beams'o'f the car. At the further end of shaft 39 is a bevelled gear 40 which engages 'with'bevelled gear 41 fixed to driven shaft 42 which is supported on the lower 60 frame of the car. Shaft 42 is driven from counter shaft 3by an endless chain belt 43 passing over sprocket wheel 44 fixed to counter shaft 3, and sprocket wheel 45 fixed to driven shaft 42. A

The gears 37 are disengaged from drums 3 is the counter shaft which is operated by motor 2 by a chain belt.

36 by clutches 46 which move the gears hack free from the end of the drums. The pinion V 38 is made 'sufiiciently l ong so that gears 37 are always in mesh with same, even when disengaged from drums.

Attachedto the drums 36 are brake bands 47 which "are operated by levers "48 through connecting rods 49, V

The bucket frames 17 can be raised or lowered any required distance, accordingto the level of the ballast, bythe-cables 300peratedby the drums 36, or folded in two and swungiaround to the rear'of the car-for'clearance, the-gears 14 and15 beingdisengaged. V

The car 1-is fittedwith ordinary shoe' brakes 50 attached to both front-and rear wheels andoperjated by levers 51 attached to the shoes by-connecting rods'52.

V The car is driven by an endless chain belt 53 connecting a sprocket wheel 54 fixed? to counter-[shaft 3, to, a sprocket wheel. 55 on a driven-shaft '56 which is =supported in bearings'attachedtoundersi'de of car frame:

Attached to driven shaft 5 6 is a box gear 1 57 which is-jalso supported 'by'a cross brace 58 secured to car fram'e. The boxgear 57' has an ordinary system of gears for moving car forward, baclrward or a neutral position,

said gears being controlled byisver 59.;A

sprocket "whlelrGO is attached to a shaft of the bo'X- gears and engages, by anendless chain belt 61, with sprocket'whee'l 62'fixed to-rear aXle'o-f can A; clutch 63 is attached a to driven shaft 56 toengage withsprocket wheel 55' so that same can be thrown out of action while gearsare being changed; I Attached to rear of car lis a hopper car 64 with a sloping bottom, set up on 'ajframe 65supported' on 'a bogietruck'66, and rims v Thesidesofthecar are secured toth'e" on the rails behind the main car.

frameby iron' straps 67, Attachedto the bottom of the carfare' metal boxes 68, covering th ra'ils,*to keep ballast from f lli over same; AQslid ingjb ack '69 is fitted to the back-of the car andfcan be moved-up and down inth'e guides formed-bystrips 70 attachedto sides of car-'5 Theouterstrip is i-n the form of a rack'whichengages the 'pa'wl '71 attached-to the-back, allowing'same to'be held at" any required elevation; This is' for thepurpos'eof spreading-the'ballast and can be loweredlrightdown totheftop ofj tiesi AV "second fixed back 72 is placed "at-few inches from sliding'back 69',-to take awayany pres; sure that would ensue'byballas't pressing againstsliding back; A suitable size opening is left, at thelower 'endof the sloping bottom and the sliding back to allow the ballast 'to pass through;

Attached to, the hopper car 64 on-ei'ther side, are'chiutes 73,made' of galvanized iron or other suitable material; the upperend of said chutes coining directly unfder the buck- 'ets as they pass over the'top of the bucket frames, and guiding the ballast dumped from the buckets into the hopper car.

What I claim as my invention is:

1. In power shovels, a body, running gear supporting said body, an endless carrier having scoop buckets and a chute delivery and supported in an elevated position at its rear end, means for raising and lowering the carrier at its scoop end, motive power for operating said carrier and running gear and means for collapsing and swinging said carrier from the side to the end of the body.

2. In power shovels, a body, running gear supporting said body, a motor carried on said body, a counter shaft operatively connected to said motor and to said running gear, an endless scoop carrier supported in an elevated position at one end and having means for elevating and lowering the other end, and a chute delivery from the elevated end, a cable winding apparatus operatively connected to said carrier and said countershaft, means for collapsing and swinging said carrier to the rear end of said car, and a hopper car having suitable running gear and following the aforesaid vehicle under the chute delivery and formed with a discharge end and rail shields at said discharge end.

JOHN MAXWELL. 

